class Bundler::Source::Git::GitProxy

def configured_uri_for(uri)

Adds credentials to the URI as Fetcher#configured_uri_for does
def configured_uri_for(uri)
  if /https?:/ =~ uri
    remote = Bundler::URI(uri)
    config_auth = Bundler.settings[remote.to_s] || Bundler.settings[remote.host]
    remote.userinfo ||= config_auth
    remote.to_s
  else
    uri
  end
end